acetylene

/ə'setili:n/

Thân thiện

A welder uses an acetylene torch to join two metal pieces.

Definition

1. Noun:
   • A colorless, flammable gas used primarily in welding and in organic synthesis: Acetylene is a hydrocarbon gas with the chemical formula C₂H₂. It burns with a very hot flame, making it valuable for welding and cutting metals. It is also an important starting material in the chemical industry for producing various organic compounds.

Examples of Usage

• Noun:
  • The welder used acetylene and oxygen to cut through the steel plate.
  • Acetylene is a key feedstock in the synthesis of plastics and solvents.

Advanced Usage

• "Acetylene torch": A tool that mixes acetylene with oxygen to produce a very hot flame for welding or cutting metal.

  • The mechanic repaired the exhaust pipe using an acetylene torch.

• "Acetylene black": A type of carbon black produced by the thermal decomposition of acetylene, used in batteries and rubber products.

  • Acetylene black is valued for its high electrical conductivity.

Variants and Related Words

• Alkyne (n): The class of unsaturated hydrocarbons to which acetylene belongs, characterized by one or more carbon-carbon triple bonds.
  • Acetylene is the simplest alkyne.

Synonyms

• Ethyne: The systematic IUPAC name for acetylene.
• Welding gas: A general term that can refer to acetylene when used in that context.

Related Phrases

• Dissolved acetylene: Acetylene gas stored under pressure in a cylinder dissolved in acetone or another solvent for safety, as it is unstable under pure compression.
  • For transport, acetylene is typically stored as dissolved acetylene in specialized cylinders.

Học thuật

Noun

1. a colorless flammable gas used chiefly in welding and in organic synthesis

Từ đồng nghĩa

• ethyne
• alkyne